MciPlayer.cpp
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/****************************************************************************
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
http://www.cocos2d-x.org
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#include "audio/win32/MciPlayer.h"
#include <tchar.h>
#include "platform/CCFileUtils.h"
#define WIN_CLASS_NAME "CocosDenshionCallbackWnd"
#define BREAK_IF(cond) if (cond) break;
namespace CocosDenshion {
static HINSTANCE s_hInstance;
static MCIERROR s_mciError;
LRESULT WINAPI _SoundPlayProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam);
MciPlayer::MciPlayer()
: _wnd(NULL)
, _dev(0L)
, _soundID(0)
, _times(0)
, _playing(false)
, strExt("")
{
if (! s_hInstance)
{
s_hInstance = GetModuleHandle( NULL ); // Grab An Instance For Our Window
WNDCLASS wc; // Windows Class Structure
// Redraw On Size, And Own DC For Window.
wc.style = 0;
wc.lpfnWndProc = _SoundPlayProc; // WndProc Handles Messages
wc.cbClsExtra = 0; // No Extra Window Data
wc.cbWndExtra = 0; // No Extra Window Data
wc.hInstance = s_hInstance; // Set The Instance
wc.hIcon = 0; // Load The Default Icon
wc.hCursor = LoadCursor( NULL, IDC_ARROW ); // Load The Arrow Pointer
wc.hbrBackground = NULL; // No Background Required For GL
wc.lpszMenuName = NULL; // We Don't Want A Menu
wc.lpszClassName = _T(WIN_CLASS_NAME); // Set The Class Name
if (! RegisterClass(&wc)
&& ERROR_CLASS_ALREADY_EXISTS != GetLastError())
{
return;
}
}
_wnd = CreateWindowEx(
WS_EX_APPWINDOW, // Extended Style For The Window
_T(WIN_CLASS_NAME), // Class Name
NULL, // Window Title
WS_POPUPWINDOW,/*WS_OVERLAPPEDWINDOW*/ // Defined Window Style
0, 0, // Window Position
0, // Window Width
0, // Window Height
NULL, // No Parent Window
NULL, // No Menu
s_hInstance, // Instance
NULL );
if (_wnd)
{
SetWindowLongPtr(_wnd, GWLP_USERDATA, (LONG_PTR)this);
}
}
MciPlayer::~MciPlayer()
{
Close();
DestroyWindow(_wnd);
}
void MciPlayer::Open(const char* pFileName, UINT uId)
{
// WCHAR * pBuf = NULL;
do
{
BREAK_IF(! pFileName || ! _wnd);
int nLen = (int)strlen(pFileName);
BREAK_IF(! nLen);
// pBuf = new WCHAR[nLen + 1];
// BREAK_IF(! pBuf);
// MultiByteToWideChar(CP_ACP, 0, pFileName, nLen + 1, pBuf, nLen + 1);
strExt = cocos2d::FileUtils::getInstance()->getFileExtension(pFileName);
Close();
MCI_OPEN_PARMS mciOpen = {0};
MCIERROR mciError;
mciOpen.lpstrDeviceType = (LPCTSTR)MCI_ALL_DEVICE_ID;
WCHAR* fileNameWideChar = new WCHAR[nLen + 1];
BREAK_IF(! fileNameWideChar);
MultiByteToWideChar(CP_ACP, 0, pFileName, nLen + 1, fileNameWideChar, nLen + 1);
mciOpen.lpstrElementName = fileNameWideChar;
mciError = mciSendCommand(0,MCI_OPEN, MCI_OPEN_ELEMENT, reinterpret_cast<DWORD_PTR>(&mciOpen));
CC_SAFE_DELETE_ARRAY(mciOpen.lpstrElementName);
BREAK_IF(mciError);
_dev = mciOpen.wDeviceID;
_soundID = uId;
_playing = false;
} while (0);
}
void MciPlayer::Play(UINT uTimes /* = 1 */)
{
if (! _dev)
{
return;
}
MCI_PLAY_PARMS mciPlay = {0};
mciPlay.dwCallback = reinterpret_cast<DWORD_PTR>(_wnd);
s_mciError = mciSendCommand(_dev,MCI_PLAY, MCI_FROM|MCI_NOTIFY,reinterpret_cast<DWORD_PTR>(&mciPlay));
if (! s_mciError)
{
_playing = true;
_times = uTimes;
}
}
void MciPlayer::Close()
{
if (_playing)
{
Stop();
}
if (_dev)
{
_SendGenericCommand(MCI_CLOSE);
}
_dev = 0;
_playing = false;
}
void MciPlayer::Pause()
{
_SendGenericCommand(MCI_PAUSE);
_playing = false;
}
void MciPlayer::Resume()
{
if (strExt == ".mid")
{
// midi not support MCI_RESUME, should get the position and use MCI_FROM
MCI_STATUS_PARMS mciStatusParms;
MCI_PLAY_PARMS mciPlayParms;
mciStatusParms.dwItem = MCI_STATUS_POSITION;
_SendGenericCommand(MCI_STATUS, MCI_STATUS_ITEM, reinterpret_cast<DWORD_PTR>(&mciStatusParms)); // MCI_STATUS
mciPlayParms.dwFrom = mciStatusParms.dwReturn; // get position
_SendGenericCommand(MCI_PLAY, MCI_FROM, reinterpret_cast<DWORD_PTR>(&mciPlayParms)); // MCI_FROM
}
else
{
_SendGenericCommand(MCI_RESUME);
_playing = true;
}
}
void MciPlayer::Stop()
{
_SendGenericCommand(MCI_STOP);
_playing = false;
_times = 0;
}
void MciPlayer::Rewind()
{
if (! _dev)
{
return;
}
mciSendCommand(_dev, MCI_SEEK, MCI_SEEK_TO_START, 0);
MCI_PLAY_PARMS mciPlay = {0};
mciPlay.dwCallback = reinterpret_cast<DWORD_PTR>(_wnd);
_playing = mciSendCommand(_dev, MCI_PLAY, MCI_NOTIFY,reinterpret_cast<DWORD_PTR>(&mciPlay)) ? false : true;
}
bool MciPlayer::IsPlaying()
{
return _playing;
}
UINT MciPlayer::GetSoundID()
{
return _soundID;
}
//////////////////////////////////////////////////////////////////////////
// private member
//////////////////////////////////////////////////////////////////////////
void MciPlayer::_SendGenericCommand( int nCommand, DWORD_PTR param1 /*= 0*/, DWORD_PTR parma2 /*= 0*/ )
{
if (! _dev)
{
return;
}
mciSendCommand(_dev, nCommand, param1, parma2);
}
//////////////////////////////////////////////////////////////////////////
// static function
//////////////////////////////////////////////////////////////////////////
LRESULT WINAPI _SoundPlayProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
{
MciPlayer * pPlayer = NULL;
if (MM_MCINOTIFY == Msg
&& MCI_NOTIFY_SUCCESSFUL == wParam
&&(pPlayer = (MciPlayer *)GetWindowLongPtr(hWnd, GWLP_USERDATA)))
{
if (pPlayer->_times)
{
--pPlayer->_times;
}
if (pPlayer->_times)
{
mciSendCommand(lParam, MCI_SEEK, MCI_SEEK_TO_START, 0);
MCI_PLAY_PARMS mciPlay = {0};
mciPlay.dwCallback = reinterpret_cast<DWORD_PTR>(hWnd);
mciSendCommand(lParam, MCI_PLAY, MCI_NOTIFY,reinterpret_cast<DWORD_PTR>(&mciPlay));
}
else
{
pPlayer->_playing = false;
}
return 0;
}
return DefWindowProc(hWnd, Msg, wParam, lParam);
}
} // end of namespace CocosDenshion